Maintenance And Fault Rectification; Maintenance; Remove Interferences - Vega VEGAFLEX 62 Operating Instructions Manual

8 Maintenance and fault rectification
Reaction when malfunc-
tions occur
Causes of malfunction

Remove interferences

24 hour service hotline
Checking the 4 ... 20 mA
signal
44
8 Maintenance and fault rectification

8.1 Maintenance

When used correctly, no special maintenance is required in normal
operation.
8.2 Remove interferences
The operator of the system is responsible for taken suitable measures
to remove interferences.
A maximum of reliability is ensured. Nevertheless, faults can occur
during operation. These may be caused by the following, e.g.:
Sensor
l
Process
l
Power supply
l
Signal processing
l
The first measures to be taken are to check the output signals as well
as to evaluate the error messages via the indicating and adjustment
module. The procedure is described below. Further comprehensive
diagnostics can be carried out on a PC with the software PACTware
and the suitable DTM. In many cases, the causes can be determined
this way and faults rectified.
However, should these measures not be successful, call the VEGA
service hotline in urgent cases under the phone no. +49 1805 858550.
The hotline is available to you 7 days a week round-the-clock. Since
we offer this service world-wide, the support is only available in the
English language. The service is free of charge, only the standard
telephone costs will be charged.
Connect a handheld multimeter in the suitable measuring range
according to the wiring plan.
4 ... 20 mA signal not stable
?
Level fluctuations
l
à Set damping via the indicating and adjustment module
4 ... 20 mA signal missing
?
Wrong connection
l
à Check connection according to chapter "Connection steps"
and if necessary, correct according to chapter "Wiring plan"
No power supply
l
à Check cables for breaks; repair if necessary
VEGAFLEX 62 • 4 ... 20 mA/HART two-wire